The Mysterious Mrs M. (aka The Mysterious Mrs. Musslewhite)
Directed by	Lois Weber
Written by	Lois Weber
Based on	short story by Thomas Edgelow
Produced by	Bluebird Photoplays
Starring	Harrison Ford Mary MacLaren
Cinematography	Al Siegler
Distributed by	Universal Film Manufacturing Company
Release date	February 5, 1917
Running time	50 minutes
Country	USA
Language	Silent..English titles

The Mysterious Mrs. M is a 1917 silent film drama directed by Lois Weber and starring Harrison Ford and Mary MacLaren. It was a Bluebird Pictures Production distributed by Universal Film Manufacturing Company.^[1]

Cast

• Harrison Ford - Raymond Van Seer
• Mary MacLaren - Phyllis Woodman
• Evelyn Selbie - Mrs. Musslewhite
• Willis Marks - Green
• Frank Brownlee - Dr. Woodman
• Bertram Grassby - Clubman
• Charles Hill Mailes - Clubman
• Arthur Forde - unknown role

Preservation status

• The film survives in the Library of Congress incomplete. Reels 1 & 2 survive, reels 3, 4 and 5 are lost.^[2][3][4]
• Prints and/or fragments were found in the Dawson Film Find in 1978.